Example sentences of "[adv] a certain number " in BNC.

  Next page
No Sentence
1 There are only about one hundred different kinds of atoms in the Universe , each kind known as an element ; and we know that this is the case because we know the fundamental laws of chemistry that determine the structure of atoms , and can see that only a certain number of structures are theoretically possible .
2 A particular exercise should be repeated only a certain number of times during any one session , otherwise , the dog will become bored .
3 And , of course , there are only a certain number of people you can approach with that request .
4 Only a certain number of eggs can be incubated efficiently , and each female in the group tries to ensure that those eggs are hers .
5 There are only a certain number of promotional fares available on each flight , so booking well ahead is the best means of securing a seat .
6 She knew they had different fathers and she knew that in each case there was only a certain number of possibilities , but beyond that all was obscure .
7 Agency laboratories can process only a certain number of samples at any given time and organize the taking of samples to produce a steady and predictable flow .
8 There 's only a certain number of places a prostitute can go and earn money , so all a pimp needs to do is drive round in his car until he sees you .
9 If British Rail is under pressure to increase the frequency of its service , there is a case for a coordinated transport system operating bus and rail services , If there is a need for transport when it is not convenient to run rail services , or if only a certain number of trains can run on a line because goods trains and passenger services can not operate at the same time — although perhaps British Rail should be more innovative in its mix of passenger and freight services perhaps it is a good idea for British Rail and the bus services — as they are today , not as they will be affected by the Bill — to get together .
10 There 's only a certain number of times a person can take spelling ‘ Aphrosyne Agathangelou ’ over the phone . ’
11 The lottery business is basically a very very small business with limited competition , and for a state the size of California it makes it very difficult to have large competition because only a certain number of companies can actually put in a system of this size .
12 Because , erm , the greater the education , er , supposedly increases your chance of getting a job , opens up more opportunities up for you , so erm , you know , if there 's only a certain number of jobs , the one with the most education is more likely to get it .
13 Some people thought plastic plates were tacky , but if you used the real thing once you got over a certain number you just had endless mess afterwards .
14 Once a certain number of cheques have been used , your bank may send you a new book automatically .
15 A single node will recognise something if at least a certain number of its inputs are on , so it is basically a counting device .
16 It there a certain number of times that can happen or
17 He would make me look at pictures and then reproduce them with coloured pencils , or else ask me to rotate a figure mentally a certain number of degrees around a given perpendicular before attempting to redraw it .
  Next page